Recent questions tagged Javascript

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javascript - How to throw an observable error manually?

I am working on an Angular app in which I am making a rest call through HTTP as below: login(email, ... error argument of my subscribe callback? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Functions are not valid as a React child. This may happen if you return a Component instead of from render

I have written a Higher Order Component: import React from 'react'; const NewHOC = (PassedComponent) => { return ... } What am I doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Wait cursor over entire html page

Is it possible to set the cursor to 'wait' on the entire html page in a simple way? The idea is to ... shows the wait cursor but allows clicks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Image Get Requests with AngularJS

I am storing the the source string of an image to be rendered in HTML in the AngularJS controller, ... Angular controller has been initialized? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Jest: how to mock console when it is used by a third-party-library?

I am trying to mock console.warn/error but i can't. I use a third-party-library which calls console.warn ... the terminal. Can anyone help me? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Refused to load the font 'data:font/woff.....'it violates the following Content Security Policy directive: "default-src 'self'". Note that 'font-src'

My react webApp give this Error in Browser Console Refused to load the font 'data:font/woff;base64,d09..... ... , historyApiFallback: true, } }; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Find if variable is divisible by 2

How do I figure out if a variable is divisible by 2? Furthermore I need do a function if it is and do a different function if it is not. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to Make Canvas Text Selectable?

Any suggestion is highly appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Uploading File using Ajax in Asp.Net Core

Good day everyone, I'm trying to upload file using ajax from client side to server side (asp.net core) ... here } Thank you in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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128 views

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javascript - AngularJS dynamic form from json data (different types)

I try to create a dynamic form in AngularJS using the data from a JSON. I have this working: HTML <p ... for your attention. Best Regards! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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631 views

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javascript - How to have a mouseover event fire only if the mouse is hovered over an element for at least 1 second?

I want to display a dialog when a user mouses over a certain image. That part works. Unfortunately if the ... event I would appreciate it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Is it possible to remove "Inspect Element"?

Is it possible to remove or disable "Inspect Element" context menu in Chrome App via Javascript? I have ... there are no definite answer. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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366 views

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javascript - ES6 Promise.all progress

I have several promises that I need to resolve before going further. Promise.all(promises).then((results) => ... implement it manually for now? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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209 views

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javascript - var express = require('express'); var app = express(), What is express()?? is it a method or a constructor? Where does it come from

var express = require('express'); var app = express(); This is how we create an express application. But what is ... ? Where does it come from?? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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615 views

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javascript - fitbounds() in Google maps api V3 does not fit bounds

I'm using the geocoder from Google API v3 to display a map of a country. I get the recommended viewport for the country ... .442, 17.380)) } ); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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200 views

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javascript - Client notification, should I use an AJAX Push or Poll?

I am working on a simple notification service that will be used to deliver messages to the users surfing a website. ... it later it is easier. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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185 views

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javascript - How to set session variable in jquery?

I have an html page that open a popup window when the page loads. I need to set the popup only when the page open ... /pic.jpg"></a> </body> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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132 views

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javascript - Scroll the page on drag with jQuery

I have tried using kinetic.js and the code below, however when I try this in IE11 it keeps jumping to the ... without it jumping to the top? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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506 views

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javascript - How to change behavior of contenteditable blocks after on enter pressed in various browsers

When pressing enter in <div contenteditable="true"> </div> in firefox <br /> is produced - that's ok. ... Chrome and IE behave like Firefox . See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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499 views

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javascript - Sessions won't save in Node.js without req.session.save()

I'm building a website using Node.js, Express, and Redis for session management. For whatever reason, if I have a ... 've seen don't use it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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175 views

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javascript - Check if an array contains duplicate values

I wanted to write a javascript function which checks if array contains duplicate values or not. I have written ... are no duplicate values. } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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191 views

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javascript - AngularJs - Best-Practices on adding an active class on click (ng-repeat)

I want to add an active class on click in a list, i tried the following code, but it adds the active class ... Please, give me some help. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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533 views

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javascript - How to inject CSS into webpage through Chrome extension?

I do not know how to inject CSS into a webpage through a Chrome extension. I am trying to inject this into a web ... ://test-website.com/*" ] } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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144 views

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javascript - Nesting ng-views in angular js

I had two different apps in angular. During integration to a single application I had to nest ng-views. For ... be explained Thanks in advance See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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171 views

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javascript - how to pass large data to web workers

I am working on web workers and I am passing large amount of data to web worker, which takes a lot of time. ... supported in your browser!'); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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458 views

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javascript - Regex for allowing alphanumeric,-,_ and space

I am searching for a regular expression for allowing alphanumeric characters, -, _ or spaces in JavaScript/jQuery. ... this? Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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889 views

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javascript - How to open generated pdf using jspdf in new window

I am using jspdf to generate a pdf file. Every thing is working fine. But how to open generated pdf in new tab ... opening the pdf in same tab. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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281 views

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javascript - Using spread operator to update an object value

I have a function which adds a key to incoming object, but I have been told to use spread operator for ... } } initialState.isAvailable = true See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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